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PostPosted: Sun Feb 12, 2017 9:09 pm 
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Joined: Sun Feb 12, 2017 8:47 pm
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HI,

i have had a hard time to update the firmware of my brandnew k8400

thought i should do a step throug because i didnt find a nailed answer to the problem....

1. Download Arduino ide ( V1.8.1 )
2. Load up Marlin.ino ( vertex-m1-v1.4-h2\Marlin\Marlin.ino ) as an example.
3. In Arduino IDE go to Tools -> Board -> Board Managment
4. Search for "Arduino AVR Boards"
5. Downgrade to 1.6.11 !!! ( Down-Left dropbox Version than Install)
6. Check if it compiles...
7. Dont forget the Boardjumper ( marked as JPROG )
8. Hit Upload
9. Wait.... after upload it will recompile and flash the firmware ( caution progressbar stops when coimpiling is done... but will not show you flashing... just WAIT. takes abou a minute or less. )
10. reset printer.

please tell me if i have forgot somethin...


regards MK


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PostPosted: Mon Feb 13, 2017 8:47 am 
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Joined: Thu Oct 03, 2013 6:19 am
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Location: Namur, Belgium
Use Arduino 1.0.x as stated in the instructions. Later versions won't work.


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PostPosted: Thu Apr 20, 2017 8:33 pm 
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Joined: Mon Nov 04, 2013 11:36 pm
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In order to use Arduino > 1.0, you should use the newest Marlin version.

I adapted the config files of Marlin RC1.1 BugFix to make them work with a dual head K8400.

(I still have somme functionality to config, like LEDs commands M420)

You can download the firmware here :

https://github.com/cormier8/Marlin/tree/RCBugFix

It compile fine with Arduino 1.8.1


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